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NOTE
Chapter 1 Before You Start ...
Programming Guide Contents
Differences Between Prior and Current Revisions
of the HP 53131A/132A
If you have an HP 53131A containing one of the prior firmware revisions (3317,
3335, or 3402), read the subsection below titled "HP 53131A Containing
Firmware Revisions (3317, 3335, or 3402) " to get an overview of the differences
between the earlier firmware revisions and current firmware revision.
If you have an HP 53132A with a serial number prefix below 3646, read the
subsection titled "HP 53132A Time Interval Delay Arming " on page 1-5.
Note that throughout the guide, differences between the earlier and current
firmware revisions are noted where applicable.
HP 53131A Containing Firmware Revisions (3317, 3335, or 3402)
There are four main areas that differ:
Calibrations
Measurements
Statistics
HP-IB Commands
Calibrations
If your Counter contains other than the current firmware revision, the following
calibration features are different:
The calibration functions are in the Utility menu instead of the Calibration
menu, which is accessed by pressing and holding the front-panel Utility
key and then cycling POWER key.
Calibrations are not protected by a security code.
A calibration count does not exist to aid in monitoring the number of
calibrations performed.
A more accurate Time Interval calibration (FINE TI) is not available.
See the section titled "Using the Calibration Menu" in Chapter 2 of the HP
53131A/132A Operating Guide for details.
Programming Guide
1-3
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